Stoves and furnaces – Fireplaces or accessories – Fluid fuel
Patent
1994-03-04
1996-01-02
Jones, Larry
Stoves and furnaces
Fireplaces or accessories
Fluid fuel
126500, 126502, 126503, F24C 300
Patent
active
054799155
ABSTRACT:
A heating device for burning gaseous fuels comprises an inner shell (3) of U-shaped or C-shaped cross-section which defines a combustion chamber (9) which is bordered by a covering plate (5) and a floor plate (4), can be closed by a door arrangement (6). Gas burner assembly (13) is arranged on a burner base plate (12) and secured to the inner shell (3). Outer shell (2) of U-shaped or C-shaped cross section, on the floor plate. The outer shell (2) is arranged from the inner shell (3) at a distance forming an intermediate space (28). End edges of outer shell (2) and the inner shell (3) are welded together. Openings (27) are arranged in the inner shell between the combustion chamber (9)and the intermediate space (28) which forms a flue gas passage between the openings (27) and the flue outlet (44) region of the covering leading (44) to a smoke pipe connection piece (45). Sheet elements adjacent the outer shell form a convection channel with the outer shell.
REFERENCES:
patent: 4404954 (1983-09-01), Steel
patent: 4465055 (1984-08-01), Bortz
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